VDB-123928 · CVE-2017-1083 · BID 99130

FreeBSD up to 11.1 Stack Guard memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in FreeBSD up to 11.1. This affects an unknown part of the component Stack Guard. Executing a manipulation can lead to memory corruption. This vulnerability appears as CVE-2017-1083. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in FreeBSD up to 11.1 (Operating System). It has been declared as problematic. This vulnerability affects an unknown function of the component Stack Guard. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In FreeBSD before 11.2-RELEASE, a stack guard-page is available but is disabled by default. This results in the possibility a poorly written process could be cause a stack overflow.

The bug was discovered 06/19/2017. The weakness was presented 09/12/2018 with Qualys (Website). The advisory is shared for download at qualys.com. This vulnerability was named CVE-2017-1083 since 11/29/2016. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 450 days. During that time the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370433 (FreeBSD Advisory for kernel/ glibc Elevation of Privileges (Stack Clash)).

Upgrading to version 11.2-RELEASE eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 99130†). See VDB-102671, VDB-102673, VDB-123927 and VDB-123929 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: FreeBSD 11.2-RELEASE

Timelineinfo

11/29/2016 🔍
06/19/2017 +201 days 🔍
06/19/2017 +0 days 🔍
09/12/2018 +449 days 🔍
09/12/2018 +0 days 🔍
09/13/2018 +1 days 🔍
03/23/2020 +557 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: qualys.com
Organization: Qualys
Status: Confirmed

CVE: CVE-2017-1083 (🔍)
GCVE (CVE): GCVE-0-2017-1083
GCVE (VulDB): GCVE-100-123928
SecurityFocus: 99130 - Linux Kernel CVE-2017-1000364 Local Memory Corruption Vulnerability

See also: 🔍

Entryinfo

Created: 09/13/2018 07:00
Updated: 03/23/2020 07:49
Changes: 09/13/2018 07:00 (64), 03/23/2020 07:49 (4)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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